﻿using System.Web.Mvc;
using System.Web.Security;

using Gonte.Desktop.ExtJs;
using Gonte.Desktop.Web.Models;

namespace Gonte.Desktop.Web.Controllers
{
    public class AccountController 
        : Controller
    {

        // GET: /Account/LogOn
        public ActionResult LogOn()
        {
            return View();
        }

        // POST: /Account/LogOn
        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            return Json(new Envelope<ApplicationUser>().Process((env) =>
            {
                if (ModelState.IsValid)
                {
                    ApplicationUser user = ApplicationUser.LogOn(model.UserName, model.Password);

                    if (user != null)
                    {
                        SessionHelper.ApplicationUser = user;
                        FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                        
                        return user;
                    }

                    env.msg = "Invalid user name or password";
                    return null;
                }

                env.msg = "Validation failed."; // TODO: Get the errors from the model state
                return null;

            }));
        }

        // GET: /Account/LogOff
        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();

            return RedirectToAction("Index", "Home");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            return View();
        }

        //
        // POST: /Account/Register

        [HttpPost]
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                //// Attempt to register the user
                //MembershipCreateStatus createStatus;
                //Membership.CreateUser(model.UserName, model.Password, model.Email, null, null, true, null, out createStatus);

                //if (createStatus == MembershipCreateStatus.Success)
                //{
                //    FormsAuthentication.SetAuthCookie(model.UserName, false /* createPersistentCookie */);
                //    return RedirectToAction("Index", "Home");
                //}
                //else
                //{
                //    ModelState.AddModelError("", ErrorCodeToString(createStatus));
                //}
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePassword

        [Authorize]
        public ActionResult ChangePassword()
        {
            return View();
        }

        //
        // POST: /Account/ChangePassword

        [Authorize]
        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {
                //// ChangePassword will throw an exception rather
                //// than return false in certain failure scenarios.
                //bool changePasswordSucceeded;
                //try
                //{
                //    MembershipUser currentUser = Membership.GetUser(User.Identity.Name, true /* userIsOnline */);
                //    changePasswordSucceeded = currentUser.ChangePassword(model.OldPassword, model.NewPassword);
                //}
                //catch (Exception)
                //{
                //    changePasswordSucceeded = false;
                //}

                //if (changePasswordSucceeded)
                //{
                //    return RedirectToAction("ChangePasswordSuccess");
                //}
                //else
                //{
                //    ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
                //}
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
